Senior PHP Developer

Senior
Full-Time
Hybrid

Technology Management

Istanbul, Türkiye

Job Overview

Mükellef Teknoloji is the most comprehensive platform in Turkey to start a new business.


We offer an end-to-end solution to help entrepreneurs manage all financial processes required when establishing and running their companies.

We are looking for an experienced Senior Backend Developer to join Mükellef Teknoloji, a fast-growing startup developing innovative products in company formation, accounting, tax automation, and financial management solutions.

Key Position Responsibilities

  • Develop and maintain backend web applications and in-house tools
  • Design, build, and improve PHP-based backend systems
  • Refactor and optimize existing code for performance and scalability
  • Define project requirements, timelines, and deliverables
  • Build and consume RESTful APIs for product integrations
  • Collaborate closely with cross-functional teams (Product, Finance, Customer Success)
  • Prepare technical documentation, guides, and training materials
  • Contribute to product development with a customer-first and business-driven mindset

Minimum Position Qualifications

  • 8+ years of backend web development experience
  • Strong proficiency in PHP and MySQL
  • Experience with AWS services (RDS Aurora, S3, SQS, Lambda) is a big plus
  • Hands-on experience with Laravel or Symfony
  • Proven track record in optimizing the performance of medium to large-scale systems
  • Experience building and maintaining RESTful APIs
  • Familiarity with debugging tools for browsers (HTML, JS, CSS)
  • Strong knowledge of version control systems (Git)
  • CI/CD pipeline experience is a plus
  • Database experience, ideally with large datasets
  • Passion for solving complex system challenges with a focus on financial and payment products
  • Comfortable working in a dynamic startup environment, adapting quickly to changing priorities and business needs

    As a fast-growing startup, we believe in collaboration and clear communication to achieve success together.
     

Please follow Mükellef, Workhy and Robom on LinkedIn, Instagram and Youtube.

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